Google Ranking Factor: Cumulative Layout Shift

Google Ranking Factor: Cumulative Layout Shift

The third Google Web Core Vital and the final in this series of new Key Performance Indicators that Google will be measuring in partially determining your site’s PageRank. 

WHAT:  Three new “web core vitals.” This third one is called Cumulative Layout Shift (CLS). This measures the visual stability of your page and how quickly a user may experience it.  

WHEN: Early 2021. Delayed due to COVID.

WHERE: All websites including versions for mobile and desktop.  

WHY: Provide the best experience possible for Google customers.

Now, for the first time, Google enters into the arena of web design in measuring how it will determine the PageRank of your website. It is no longer subjective but rather, Google is putting objective measurements on how fast your site loads, how soon it becomes interactive and how visually stable it is. They even have different scoring for desktop and mobile.  

Begin now to prepare your site for this eventuality in 2021. If you missed the other two Web Core Vitals, Largest Contentful Paint (LCP) and First Input Delay (FID), visit check out our SEO blog.

Onward and upward!


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Bob Ottaway

The author, Bob Ottaway, is President and Founder of Ottaway Digital. Established in 1999, it has been a pioneer in SEO, digital advertising & social media since 2006.